TY  - JOUR
AU  - Abbasi Seyahjani, Ebrahim
AU  - Farhvash, farhad
AU  - Khorshidi Benam, mohammad
AU  - sadegi, aytak
TI  - Evalution  of sunflower varieties for yield production under  drought stress conditions using statistical  tolerance  indices
JO  - Agroecology Journal
VL  - 6
IS  - 1
SP  - 55
EP  - 64
PY  - 2010
DO  - 
ER  -